Q: What are the prime factors of the number 444,405,152?

 A: 2, 1117, 12433

Why are those the prime factors of the number 444,405,152?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 444,405,152

444,405,152
Factor Arrows
2222,202,576
Factor Arrows
2111,101,288
Factor Arrows
255,550,644
Factor Arrows
227,775,322
Factor Arrows
213,887,661
Factor Arrows
1,11712,433

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 1117, 12433

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,117 x 12,433 = 444,405,152

This can also be written as 25 x 1,1171 x 12,4331 = 444,405,152

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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